Dynamics of nanoparticles in a supercooled liquid

6533b86cfe1ef96bd12c8bae

RESEARCH PRODUCT

Dynamics of nanoparticles in a supercooled liquid

Anders Madsen Chiara Caronna Antonio Cupane Yuriy Chushkin

subject

Materials science Condensed matter physics Dynamics (mechanics)slow dynamics General Physics and Astronomy Nanoparticle X-ray scattering; glass transition; anomalous diffusion; slow dynamics X-ray scattering Condensed Matter::Disordered Systems and Neural Networks Settore FIS/07 - Fisica Applicata(Beni Culturali Ambientali Biol.e Medicin)Condensed Matter::Soft Condensed Matter Solvent Dynamic light scattering Chemical physics anomalous diffusion glass transition Cooperative behavior Supercooling Glass transition Brownian motion

description

The dynamic properties of nanoparticles suspended in a supercooled glass forming liquid are studied by x-ray photon correlation spectroscopy. While at high temperatures the particles undergo Brownian motion the measurements closer to the glass transition indicate hyperdiffusive behavior. In this state the dynamics is independent of the local structural arrangement of nanoparticles, suggesting a cooperative behavior governed by the near-vitreous solvent.

year	journal	country	edition	language
2008-02-08

10.1103/physrevlett.100.055702 http://hdl.handle.net/10447/61381

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